Species
Filter by Species
Filter by Toxicity Endpoint Type
Filter by Exposure Endpoint Type
Filter by Chemical
Filter by Location
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | OC = 5.32 - 0.134 T | equation relating oxygen consumption (OC) to temperature (T, 29-35C) | ml O2/g/hr | Both Male and Female | Adult | captured at San Simon Valley, AZ from Aug. - July | 6/sampling period; 10 periods | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 1.2 | average oxygen consumption rate at 31-34C | cc O2/g/hr | Not Reported | Not Reported | captured at Lovejoy Buttes, Los Angeles County, CA | 25 | Exposure Factor Datasets |
| Metabolic Rate | OC = 3.57 + (-0.176)(T - 20.14) | equation relating oxygen consumption (OC) to ambient temperature (T, 9-31C) | cc O2/g/hr | Not Reported | Not Reported | captured at Lovejoy Buttes, Los Angeles County, CA | 25 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 61.5 | median lifetime distance moved from home range center (from first to last capture) | m | Male | Juvenile | Portal | 16 | Exposure Factor Datasets |
| Home Range | 50.0 | median lifetime distance moved from home range center (from first to last capture) | m | Female | Adult | Portal | 16 | Exposure Factor Datasets |
| Home Range | 7413 | estimated via minimum convex polygon method | m2 | Male | Adult | Portal | 5 | Exposure Factor Datasets |
| Home Range | 2644 | estimated via minimum convex polygon method | m2 | Female | Adult | Portal | 4 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 36.2 | 3.7 SD | g | Male | Adult | Owens Valley, Big Pine (lat., 37^o11'N) | 162 | Exposure Factor Datasets | |
| Time of Hatching or Parturition | Feb. - June | Female | Adult | Owens Valley, Big Pine (lat., 37^o11'N) | Not Reported | Exposure Factor Datasets | |||
| Duration of Incubation or Gestation | 4 | wk | Female | Adult | Owens Valley, Big Pine (lat., 37^o11'N) | Not Reported | Exposure Factor Datasets | ||
| Clutch or Litter Size | 2.46 | 0.72 SD | 2 - 5 | pups/itter | Female | Adult | Owens Valley, Big Pine (lat., 37^o11'N) | Not Reported | Exposure Factor Datasets |
| Time of Torpor or Hibernation | none | Female | Adult | Owens Valley, Big Pine (lat., 37^o11'N) | Not Reported | Exposure Factor Datasets | |||
| Time of Mating/ Laying | Jan. - June | Both Male and Female | Adult | Owens Valley, Big Pine (lat., 37^o11'N) | Not Reported | Exposure Factor Datasets | |||
| Age at Sexual Maturity | 1 | yr | Male | Adult | Owens Valley, Big Pine (lat., 37^o11'N) | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | range of monthly density estimates over 2 yrs | 0.44 - 3.7 | #/ha | Not Reported | Not Reported | Indian Cove, Joshua Tree National Monument | Not Reported | Exposure Factor Datasets | |
| Home Range | 155 | cumulative home range diameter for 6-8 mo period | m | Both Male and Female | Not Reported | Indian Cove, Joshua Tree National Monument | 34 | Exposure Factor Datasets | |
| Body Weight - Mean | see citation | figure of seasonal changes in weight | g | Both Male and Female | Both Adults and Juveniles | Indian Cove, Joshua Tree National Monument | Not Reported | Exposure Factor Datasets | |
| Longevity | longest recorded longevity | 21 - 23 | mo | Not Reported | Adult | Indian Cove, Joshua Tree National Monument | 2 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 0.49 | annual composite home range estimated by principal component method (95% probability) | ha | Not Reported | Not Reported | Warm Springs Valley, Washoe County | 718 recapture loci | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 4.0 (0); 10.0 (2 wks); 18.0 (4 wks); 24.0 (6 wks); 28.0 (8 wks); 31.0 (10 wks); 34.0 (12 wks); 36.0 (14 wks) | body weights at various ages (0 - 14 wks) | g | Not Reported | Juvenile | 3 | Exposure Factor Datasets | ||
| Body Weight - Mean | range of seasonal body weights | 39.5 - 46.5 | g | Male | Adult | Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) | 644 | Exposure Factor Datasets | |
| Clutch or Litter Size | 2.02 | 1 - 3 | embryos/female | Female | Adult | Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) | 133 | Exposure Factor Datasets | |
| Home Range | 0.466 | average range; estimated as enclosed space occupied by used traps plus one-half distance to closest unused trap | acres | Male | Adult | Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) | 11 | Exposure Factor Datasets | |
| Home Range | 0.373 | average range; estimated as enclosed space occupied by used traps plus one-half distance to closest unused trap | acres | Female | Adult | Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) | 13 | Exposure Factor Datasets | |
| Home Range | 0.243 | average range; estimated as enclosed space occupied by used traps plus one-half distance to closest unused trap | acres | Both Male and Female | Juvenile | Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) | 14 | Exposure Factor Datasets | |
| Body Weight - Mean | range of seasonal body weights | 36.5 - 43.8 | g | Female | Adult | Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) | 482 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | range of mean monthly carbon dioxide production rates in the field | 1.39 - 4.91 | ml CO2/g/hr | Not Reported | Adult | Rock Valley | 1 - 5/mo | Exposure Factor Datasets |
| Metabolic Rate | range of monthly estimated energy expenditures in the field | 0.196 - 0.656 | kcal/g/d | Not Reported | Adult | Rock Valley | 1 - 5/mo | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | 17 - 22 | d | Both Male and Female | Juvenile | captured at Indian Cove, Joshua Tree National Monument | 34 | Exposure Factor Datasets | ||
| Body Weight - Mean | see citation | figure of body weight at ages 0 - 162 d | g | Both Male and Female | Both Adults and Juveniles | captured at Indian Cove, Joshua Tree National Monument | 34 | Exposure Factor Datasets | |
| Body Weight - Mean | 3.04 | 2.2 - 4.6 | g | Both Male and Female | Neonate | captured at Indian Cove, Joshua Tree National Monument | 9 litters | Exposure Factor Datasets | |
| Growth Rate | range in male and female % change in body weight per day following recapture during 4 trapping periods | 0.22 - 0.25 | %/d | Both Male and Female | Adult | Indian Cove, Joshua Tree National Monument | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 6.38 | 2.90 - 8.39 | acres | Male | Adult | Presidio County | 4 | Exposure Factor Datasets |
| Home Range | 3.39 | 1.15 - 5.39 | acres | Female | Adult | Presidio County | 4 | Exposure Factor Datasets |
| Population Density | 1 | #/1.63 acres | Male | Adult | Presidio County | Not Reported | Exposure Factor Datasets | |
| Population Density | 1 | #/ 1.91 acres | Female | Adult | Presidio County | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Grasses: Oryzopsis hymenoides (18.0%); Hilaria rigida (13.7%); Tridens pulchella (3.3%); Bromus rubens (4.7%); Annual forbs: Plantago insularis (16.6%); Eriogonum spp. (14.3%); Phacelia spp. (6.8%); Vegetative plant parts: Phacelia spp. (6.0%); Erodium circutarium (3.2%); Misc. (8.4%) | % volume in cheek pouches of major (>2%) food items | % | Not Reported | Not Reported | Las Vegas Valley, Clark County (elev., 2500 ft) | 54 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 37.3 | home range expressed as "sigma" (radius within which the probability of an animal being present is 39%) | m | Both Male and Female | Not Reported | U.S. Atomic Energy Commission, Nevada Test Site | 9 sampling periods | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 7.93 | mean density | #/ha | Both Male and Female | Both Adults and Juveniles | Portal, Cochise County (elev. 1330 m) | 968 | Exposure Factor Datasets |
| Body Weight - Mean | 42.8 | g | Both Male and Female | Both Adults and Juveniles | Portal, Cochise County (elev. 1330 m) | 968 | Exposure Factor Datasets |
Comment
